<ul class="left_nav_ul" id="firstpane">
    <volist name='bigclass' id='vo'>
    <li>
        <a class="biglink" href="<{:W('Listhref',array('url'=>$vo['url'],'id'=>$vo['id'],'link'=>$vo['link'],'lang'=>'c'))}>"><{$vo.name}></a><span class="menu_head">+</span>
            <ul class="left_snav_ul menu_body">
            <volist name='smallclass' id='svo'>
            <eq name="svo.pid" value="$vo.id">
                 <li><a href="<{:W('Listhref',array('url'=>$svo['url'],'id'=>$svo['id'],'link'=>$svo['link'],'lang'=>'c'))}>"><{$svo.name}></a></li>
            </eq>
            </volist>
            </ul>
    </li>
    </volist>
</ul>